Real-time open/closed reports, winter closure schedules, webcams, and Montana mountain pass updates across Beartooth Pass (US-212), Logan Pass (Going-to-the-Sun Road), Rogers Pass, and Lolo Pass. Verified live via Montana Department of Transportation (MDT 511).
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Highest elevation highway pass in Montana & Wyoming. Connects Red Lodge to Cooke City and Yellowstone National Park.
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Mountain pass traversing the Bitterroot Range connecting Big Hole Basin in Montana to Salmon River valley in Idaho.
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Major trans-interstate highway pass connecting Bozeman and Livingston across the Gallatin and Bridger ranges.
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Continental Divide pass named for Nez Perce Chief Joseph, linking Wisdom, MT to Salmon, ID.
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Interstate 90 Continental Divide pass east of Butte, featuring heavy freight transportation and steep grade switchbacks.
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Low-elevation Continental Divide interstate pass on I-15 between Butte and Anaconda in Silver Bow County.
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Mountain pass on US-93 connecting Missoula northwards to Arlee and the Flathead Indian Reservation.
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Continental Divide pass on state route 279 connecting Lincoln with Helena across Helena National Forest.
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Highway pass on US-12 between Deer Lodge and Helena along the Little Blackfoot River corridor.
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Historic Lewis & Clark pass across the Bitterroot Range connecting Missoula MT with Kooskia ID.
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High mountain pass on the MT-ID border adjacent to Lost Trail Powder Mountain ski resort.
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Primary Continental Divide highway pass west of Helena, featuring heavy winter snow clearing by MDT.
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Lowest rail and highway pass across the Continental Divide in the United States, bordering Glacier National Park.
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Continental Divide interstate pass connecting Lima MT to Dubois ID. High wind and ground blizzard corridor.
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Continental Divide pass famous for recording the coldest temperature in US history (-70 °F on Jan 20, 1954).
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Continental Divide pass connecting Madison River Valley near Ennis MT with Island Park ID.
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Primary western entrance highway pass into West Yellowstone and Yellowstone National Park.
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Scenic mountain pass across the Cabinet Mountains connecting Thompson Falls MT to Murray ID.
Get live SMS, Email, or Telegram notifications whenever winter blizzards, avalanches, or closures affect Montana mountain highway passes.
Direct verified answers for Montana pass road conditions, Glacier NP roads, and MDT status updates.
Going-to-the-Sun Road over Logan Pass (6,646 ft) in Glacier National Park is OPEN for the summer season (late June to mid-October). Closed in winter due to 80+ foot snowdrifts.
Beartooth Pass (10,947 ft) between Red Lodge, MT and Cooke City, MT is OPEN seasonally from Memorial Day weekend through mid-October. Sourced live from MDT.
Bozeman Pass (5,760 ft) and Homestake Pass (6,375 ft) on I-90 are primary Montana East-West freight corridors maintained 24/7 year-round by MDT.
Marias Pass (5,216 ft) along the southern boundary of Glacier NP and McDonald Pass (6,325 ft) near Helena are OPEN year-round with continuous MDT winter snowplowing.
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